Speaker



FIG. 1 is a front view of a speaker, showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof, shown without an insert for ease of illustration;

FIG. 5 is a perspective view thereof, shown without the insert for ease of illustration; and,

FIG. 6 is an exploded perspective view thereof, shown with the rear corner in opened condition.

The broken lines in the figures illustrate the portions of the design that form no part of the claimed design. 

CLAIM The ornamental design for a speaker, as shown and described. 